1. State Key Laboratory of Reproductive MedicineNanjing Medical UniversityNanjingChina
2. Center of Reproductive Medicine, Jinling Hospital, Medical School of Nanjing UniversityNanjingChina
3. Key Laboratory of Birth Defects PreventionNational Health and Family Planning CommissionZhengzhouChina
4. Center for Reproductive MedicinePeking University Third HospitalBeijingChina